US Bridges

Doubs Road over Tuscarora Creek

Fair

Frederick County, Maryland · 1.23 MI W of New Design R · Structure no. 200000F-0107010

Built
1950
75 years old, rebuilt 1996
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
327
2022 count
Owner
County
County Highway Agency

About this bridge

Doubs Road over Tuscarora Creek is a steel stringer/multi-beam or girder carrying Doubs Road over Tuscarora Creek in Frederick County, Maryland. It was built in 1950 and reconstructed in 1996, so it is 75 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 327 vehicles a day, roughly 10% of them trucks, projected to reach 1,200 by 2056. The structure is 27 ft (8.2 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesDoubs Road
CrossesTuscarora Creek
Location1.23 MI W of New Design R
RouteCounty Highway 297
CountyFrederick County
StateMaryland
Coordinates39.30283, -77.48594
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic327 (2022)
Projected traffic1,200 by 2056
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Doubs Road over Tuscarora Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1996.

What condition is Doubs Road over Tuscarora Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does Doubs Road over Tuscarora Creek carry?

About 327 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Doubs Road over Tuscarora Creek?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 20 ft wide.

Who owns Doubs Road over Tuscarora Creek?

It is owned by the County Highway Agency.